Why not? (Score 1)

I really believe it is possible these things exist. However: ~Finding one might be dangerous because the existance is almost the same as a quantumsingularity.(black hole). ~Creating one might even be more dangerous because you need lots of energy. ~Travelling towards one is not so interesting because of the laws of relativity, your time will propably stop completely so it will take faster (according to the observer on earth anyway) swimming to alpha centaury.